VTK-based merge tree backend switch #941

Workflow file for this run

	name: test_build

	on:
	push:
	# triggered on commit pushes on the "dev" branch
	branches:
	- 'dev'
	# triggered on tag pushes with tags beginning with either "v" or "dev"
	tags:
	- 'v*'
	- 'dev*'
	- 'ci*'
	- 'build*'
	- 'test*'
	pull_request:
	# also triggered by pull requests on the "dev" branch
	branches:
	- 'dev'

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	env:
	PV_TAG: v5.11.1-headless
	PV_REPO: topology-tool-kit/ttk-paraview


	jobs:

	# ------------------#
	# Test Ubuntu build #
	# ------------------#
	test-build-ubuntu:
	runs-on: ${{ matrix.os }}
	# trigger job when push event on a branch (not on a tag) only for
	# the "topology-tool-kit/ttk" repository
	# (pull-requests and tag pushes not affected)
	if: ${{ github.repository_owner == 'topology-tool-kit' \|\| !contains(github.ref, 'heads') }}
	strategy:
	matrix:
	os: [ubuntu-20.04, ubuntu-22.04]
	env:
	CCACHE_DIR: /home/runner/.ccache
	CCACHE_MAXSIZE: 500M

	steps:
	- uses: actions/checkout@v3
	name: Checkout TTK source code

	- name: Install Ubuntu dependencies
	run: \|
	sudo apt update
	# TTK dependencies
	sudo apt install -y \
	ccache \
	libboost-system-dev \
	libeigen3-dev \
	libgraphviz-dev \
	libosmesa-dev \
	libopenmpi-dev \
	libsqlite3-dev \
	libwebsocketpp-dev \
	graphviz \
	ninja-build \
	zlib1g-dev \
	dpkg-dev
	sudo python3 -m pip install scikit-learn

	- name: Install optional dependencies
	uses: ./.github/actions/install-deps-unix

	- name: Fetch archived ccache
	continue-on-error: true
	run: \|
	wget -O ttk-ccache.tar.gz \
	https://github.com/topology-tool-kit/ttk/releases/download/ccache/ttk-ccache-${{ matrix.os }}.tar.gz

	- name: Decompress ccache archive
	continue-on-error: true
	run: \|
	tar xzf ttk-ccache.tar.gz
	mv .ccache /home/runner/

	- name: Fetch TTK-ParaView headless Debian package
	run: \|
	wget -O ttk-paraview-headless.deb \
	https://github.com/${{ env.PV_REPO }}/releases/download/${{ env.PV_TAG }}/ttk-paraview-headless-${{ matrix.os }}.deb

	- name: Install ParaView .deb
	run: \|
	sudo apt install ./ttk-paraview-headless.deb

	- name: Create & configure TTK build directory
	run: \|
	mkdir build
	cd build
	cmake \
	-DCMAKE_BUILD_TYPE=Release \
	-DCMAKE_C_COMPILER_LAUNCHER=ccache \
	-DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
	-DCMAKE_INSTALL_PREFIX=/usr \
	-DTTK_BUILD_PARAVIEW_PLUGINS=TRUE \
	-DTTK_BUILD_VTK_WRAPPERS=TRUE \
	-DTTK_BUILD_STANDALONE_APPS=TRUE \
	-DTTK_ENABLE_KAMIKAZE=TRUE \
	-DTTK_ENABLE_MPI=TRUE \
	-DTTK_ENABLE_CPU_OPTIMIZATION=FALSE \
	-DTTK_ENABLE_SHARED_BASE_LIBRARIES=TRUE \
	-DTTK_IMPLICIT_PRECONDITIONS_THRESHOLD=646464 \
	-GNinja \
	$GITHUB_WORKSPACE
	env:
	CXXFLAGS: -Werror

	- uses: ammaraskar/gcc-problem-matcher@master
	- name: Build, install TTK & package it
	run: \|
	cd build
	cmake --build . --parallel
	cpack -G DEB
	sudo cmake --build . --target install

	- name: Run TTK tests
	uses: ./.github/actions/test-ttk-unix

	- name: Upload TTK .deb package for fast install in tests
	uses: actions/upload-artifact@v3
	with:
	name: ttk-for-tests-${{ matrix.os }}.deb
	path: build/ttk.deb

	- name: Archive cache
	run: \|
	ccache -s
	ccache -c
	cd /home/runner
	tar czf ttk-ccache.tar.gz .ccache

	- name: Upload ccache archive
	if: ${{ github.repository_owner == 'topology-tool-kit' && contains(github.ref, 'heads') }}
	uses: actions/upload-artifact@v3
	with:
	name: ttk-ccache-${{ matrix.os }}
	path: /home/runner/ttk-ccache.tar.gz
	retention-days: 2


	# ------------------#
	# Tests on ttk-data #
	# ------------------#
	run-python-screenshots-tests:
	runs-on: ${{ matrix.os }}
	needs: test-build-ubuntu
	strategy:
	matrix:
	os: [ubuntu-20.04, ubuntu-22.04]
	testSet: [pyTests, screenshotTests]
	steps:
	- name: Install Ubuntu dependencies
	run: \|
	sudo apt update
	sudo python3 -m pip install scikit-learn

	- name: Fetch TTK-ParaView headless Debian package
	run: \|
	wget -O ttk-paraview-headless.deb \
	https://github.com/${{ env.PV_REPO }}/releases/download/${{ env.PV_TAG }}/ttk-paraview-headless-${{ matrix.os }}.deb

	- name: Install ParaView .deb
	run: \|
	sudo apt install ./ttk-paraview-headless.deb

	- name: Fetch TTK packages we just built in the test-build-ubuntu job
	uses: actions/download-artifact@v3
	with:
	name: ttk-for-tests-${{ matrix.os }}.deb

	- name: Installing the previously built ttk package
	run: \|
	sudo apt install ./ttk.deb

	- uses: actions/checkout@v3
	with:
	repository: "topology-tool-kit/ttk-data"
	ref: "dev"
	path: "ttk-data"
	name: Checkout ttk-data

	- name: Resample large datasets
	shell: python3 {0}
	working-directory: ./ttk-data
	run: \|
	from paraview import simple
	for ds in ["ctBones.vti"]:
	vti = simple.XMLImageDataReader(FileName=ds)
	rsi = simple.ResampleToImage(Input=vti)
	rsi.SamplingDimensions = [128, 128, 128]
	simple.SaveData(ds, rsi)

	- name: Run ttk-data states [NOT ENFORCED]
	if: matrix.testSet == 'screenshotTests'
	id: validate
	continue-on-error: true
	run: \|
	VERS=$(hostnamectl \| grep "Operating System")
	# Ubuntu 22.04 OOM killer also kills the parent process...
	if [[ "$VERS" == "22.04" ]]; then
	rm ttk-data/states/mergeTreeClustering.pvsm
	rm ttk-data/states/mergeTreePGA.pvsm
	rm ttk-data/states/mergeTreeTemporalReduction.pvsm
	rm ttk-data/states/persistentGenerators_darkSky.pvsm
	fi

	cd ttk-data/tests
	mkdir output_screenshots
	if ! python3 -u validate.py; then

	if [[ "$VERS" == "22.04" ]]; then
	# weird opacity difference between the two Ubuntus
	rm -f output_screenshots/clusteringKelvinHelmholtzInstabilities_1.png
	rm -f output_screenshots/clusteringKelvinHelmholtzInstabilities_2.png
	fi
	if [ "$(ls -A output_screenshots)" ]; then
	tar zcf screenshots.tar.gz output_screenshots
	false
	fi
	fi

	- name: Upload result screenshots
	if: steps.validate.outcome == 'failure' && matrix.testSet == 'screenshotTests'
	uses: actions/upload-artifact@v3
	with:
	name: screenshots-${{ matrix.os }}.tar.gz
	path: ttk-data/tests/screenshots.tar.gz
	retention-days: 10

	- name: Run ttk-data Python scripts
	if: matrix.testSet == 'pyTests'
	run: \|
	cd ttk-data
	python3 -u python/run.py

	- name: Test ttk-data Python scripts results [NOT ENFORCED]
	if: matrix.testSet == 'pyTests'
	continue-on-error: true
	run: \|
	cd ttk-data
	cat python/res.json
	diff python/hashes/${{ matrix.os }}.json python/res.json

	- name: Delete TTK package artifact
	uses: geekyeggo/delete-artifact@v2
	# delete package only once
	if: matrix.testSet == 'screenshotTests'
	with:
	name: ttk-for-tests-${{ matrix.os }}.deb


	# -----------------#
	# Test macOS build #
	# -----------------#
	test-build-macos:
	runs-on: macos-12
	if: ${{ github.repository_owner == 'topology-tool-kit' \|\| !contains(github.ref, 'heads') }}
	env:
	CCACHE_DIR: /Users/runner/work/ttk/.ccache
	CCACHE_MAXSIZE: 200M
	steps:
	- uses: actions/checkout@v3
	name: Checkout TTK source code

	- name: Install macOS dependencies
	run: \|
	# ParaView dependencies
	brew install --cask xquartz
	brew install wget llvm libomp ninja python open-mpi
	# TTK dependencies
	brew install boost eigen graphviz numpy websocketpp ccache
	# prepend ccache to system path
	echo "$(brew --prefix)/opt/ccache/libexec" >> $GITHUB_PATH

	- name: Install optional dependencies
	uses: ./.github/actions/install-deps-unix

	- name: Fetch archived ccache
	continue-on-error: true
	run: \|
	wget https://github.com/topology-tool-kit/ttk/releases/download/ccache/ttk-ccache-macOS.tar.gz

	- name: Decompress ccache archive
	continue-on-error: true
	run: \|
	tar xzf ttk-ccache-macOS.tar.gz
	rm -rf /Users/runner/work/ttk/.ccache
	mv .ccache /Users/runner/work/ttk/

	- name: Fetch TTK-ParaView headless macOS binary archive
	run: \|
	wget https://github.com/${{ env.PV_REPO }}/releases/download/${{ env.PV_TAG }}/ttk-paraview-headless.tar.gz

	- name: Install ParaView
	run: \|
	tar xzf ttk-paraview-headless.tar.gz
	sudo cp -r ttk-paraview/* /usr/local
	pvpython -m pip install scikit-learn

	- name: Set compilers as environment variables
	run: \|
	echo "CC=$(brew --prefix llvm)/bin/clang" >> $GITHUB_ENV
	echo "CXX=$(brew --prefix llvm)/bin/clang++" >> $GITHUB_ENV

	- name: Create & configure TTK build directory
	run: \|
	mkdir build
	cd build
	cmake \
	-DCMAKE_BUILD_TYPE=Release \
	-DCMAKE_C_COMPILER_LAUNCHER=ccache \
	-DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
	-DTTK_BUILD_PARAVIEW_PLUGINS=TRUE \
	-DTTK_BUILD_VTK_WRAPPERS=TRUE \
	-DTTK_BUILD_STANDALONE_APPS=TRUE \
	-DTTK_ENABLE_KAMIKAZE=TRUE \
	-DTTK_ENABLE_MPI=TRUE \
	-DTTK_ENABLE_CPU_OPTIMIZATION=FALSE \
	-DTTK_ENABLE_SHARED_BASE_LIBRARIES=TRUE \
	-DTTK_IMPLICIT_PRECONDITIONS_THRESHOLD=646464 \
	-GNinja \
	$GITHUB_WORKSPACE
	env:
	CXXFLAGS: -Werror

	- uses: ammaraskar/gcc-problem-matcher@master
	- name: Build & install TTK
	run: \|
	cd build
	cmake --build . --parallel
	sudo cmake --build . --target install

	- name: Set PYTHONPATH for macOS pvpython
	run: \|
	# pvpython does not embed the correct PYTHONPATH
	echo "PYTHONPATH=/usr/local/lib/python3.11/site-packages:$PYTHONPATH" >> $GITHUB_ENV

	- name: Run TTK tests
	uses: ./.github/actions/test-ttk-unix

	- uses: actions/checkout@v3
	with:
	repository: "topology-tool-kit/ttk-data"
	ref: "dev"
	path: "ttk-data"
	name: Checkout ttk-data

	- name: Run ttk-data states [NOT ENFORCED]
	if: false
	id: validate
	continue-on-error: true
	run: \|
	cd ttk-data/tests
	mkdir output_screenshots
	python3 -u validate.py \|\| (tar zcf screenshots.tar.gz output_screenshots && false)
	env:
	PV_PLUGIN_PATH: /usr/local/bin/plugins/TopologyToolKit

	- name: Upload result screenshots
	if: steps.validate.outcome == 'failure'
	uses: actions/upload-artifact@v3
	with:
	name: screenshots-macOS.tar.gz
	path: ttk-data/tests/screenshots.tar.gz
	retention-days: 10

	- name: Run ttk-data Python scripts
	run: \|
	cd ttk-data
	pvpython -u python/run.py
	env:
	PV_PLUGIN_PATH: /usr/local/bin/plugins/TopologyToolKit

	- name: Test ttk-data Python scripts results [NOT ENFORCED]
	continue-on-error: true
	run: \|
	cd ttk-data
	cat python/res.json
	diff python/hashes/macOS.json python/res.json

	- name: Archive cache
	run: \|
	ccache -s
	ccache -c
	cd /Users/runner/work/ttk
	tar czf ttk-ccache.tar.gz .ccache

	- name: Upload ccache archive
	if: ${{ github.repository_owner == 'topology-tool-kit' && contains(github.ref, 'heads') }}
	uses: actions/upload-artifact@v3
	with:
	name: ttk-ccache-macOS
	path: /Users/runner/work/ttk/ttk-ccache.tar.gz
	retention-days: 2


	# ------------------ #
	# Test Windows build #
	# ------------------ #
	test-build-windows:
	runs-on: windows-2022
	if: ${{ github.repository_owner == 'topology-tool-kit' \|\| !contains(github.ref, 'heads') }}
	env:
	PV_DIR: C:\Program Files\TTK-ParaView
	TTK_DIR: C:\Program Files (x86)\ttk
	CONDA_ROOT: C:\Miniconda
	SCCACHE_CACHE_SIZE: 200M
	steps:
	- uses: actions/checkout@v3
	name: Checkout TTK source code

	- uses: s-weigand/setup-conda@v1

	- name: Install dependencies with conda
	shell: bash
	run: \|
	conda install -c conda-forge boost glew eigen spectralib zfp \
	scikit-learn openmp graphviz ninja websocketpp sccache=0.4.2 python=3.10 zlib
	# add sccache to PATH
	echo "$CONDA_ROOT/bin" >> $GITHUB_PATH
	# add TTK & ParaView install folders to PATH
	echo "$PV_DIR/bin" >> $GITHUB_PATH
	echo "$TTK_DIR/bin" >> $GITHUB_PATH

	- name: Remove hosted Python
	shell: bash
	run: \|
	rm -rf C:/hostedtoolcache/windows/Python

	- name: Fetch archived ccache
	continue-on-error: true
	run: \|
	curl.exe -OL https://github.com/topology-tool-kit/ttk/releases/download/ccache/ttk-sccache-windows.tar.gz

	- name: Decompress ccache archive
	continue-on-error: true
	shell: bash
	run: \|
	tar xzf ttk-sccache-windows.tar.gz
	mkdir -p /c/Users/runneradmin/AppData/Local/Mozilla/sccache
	mv cache /c/Users/runneradmin/AppData/Local/Mozilla/sccache

	- name: Fetch TTK-ParaView headless Windows installer
	run: \|
	curl.exe -OL https://github.com/${{ env.PV_REPO }}/releases/download/${{ env.PV_TAG }}/ttk-paraview-headless.exe

	- name: Install ParaView
	shell: cmd
	run: \|
	ttk-paraview-headless.exe /S

	- name: Create & configure TTK build directory
	shell: cmd
	run: \|
	set CMAKE_PREFIX_PATH=%CONDA_ROOT%\Library\lib\cmake;%CONDA_ROOT%\Library\share\eigen3\cmake;%CONDA_ROOT%\Library\cmake;%ProgramFiles%\TTK-ParaView\lib\cmake
	set CC=clang-cl.exe
	set CXX=clang-cl.exe
	call "%ProgramFiles%\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
	sccache --stop-server
	sccache --start-server
	mkdir build
	cd build
	cmake ^
	-DCMAKE_BUILD_TYPE=Release ^
	-DCMAKE_POLICY_DEFAULT_CMP0092=NEW ^
	-DBUILD_SHARED_LIBS:BOOL=TRUE ^
	-DCMAKE_C_COMPILER_LAUNCHER=sccache ^
	-DCMAKE_CXX_COMPILER_LAUNCHER=sccache ^
	-DPython3_ROOT_DIR="%CONDA_ROOT%" ^
	-DGraphviz_INCLUDE_DIR="%CONDA_ROOT%\Library\include\graphviz" ^
	-DGraphviz_CDT_LIBRARY="%CONDA_ROOT%\Library\lib\cdt.lib" ^
	-DGraphviz_GVC_LIBRARY="%CONDA_ROOT%\Library\lib\gvc.lib" ^
	-DGraphviz_CGRAPH_LIBRARY="%CONDA_ROOT%\Library\lib\cgraph.lib" ^
	-DGraphviz_PATHPLAN_LIBRARY="%CONDA_ROOT%\Library\lib\pathplan.lib" ^
	-DTTK_BUILD_PARAVIEW_PLUGINS=TRUE ^
	-DTTK_BUILD_VTK_WRAPPERS=TRUE ^
	-DTTK_BUILD_STANDALONE_APPS=TRUE ^
	-DTTK_ENABLE_KAMIKAZE=TRUE ^
	-DTTK_ENABLE_OPENMP=TRUE ^
	-DTTK_ENABLE_CPU_OPTIMIZATION=FALSE ^
	-DTTK_ENABLE_SHARED_BASE_LIBRARIES=TRUE ^
	-DTTK_IMPLICIT_PRECONDITIONS_THRESHOLD=646464 ^
	-GNinja ^
	..
	env:
	CXXFLAGS: -Werror

	- name: Fix clang-cl OpenMP flags in build.ninja
	shell: bash
	run: \|
	sed -i 's/-Xclang -fopenmp/-openmp/' build/build.ninja

	- name: Build & install TTK
	shell: cmd
	run: \|
	cd build
	call "%ProgramFiles%\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
	cmake --build . --config Release --parallel --target install

	- name: Test C++ example
	shell: cmd
	run: \|
	set CC=clang-cl.exe
	set CXX=clang-cl.exe
	call "%ProgramFiles%\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
	set CMAKE_PREFIX_PATH=%TTK_DIR%\lib\cmake;%PV_DIR%\lib\cmake
	cd %GITHUB_WORKSPACE%\examples\c++
	mkdir build
	cd build
	cmake -DCMAKE_BUILD_TYPE=Release -GNinja ..
	cmake --build . --config Release --parallel
	ttkExample-c++.exe -i ..\..\data\inputData.off

	- name: Test VTK-C++ example
	shell: cmd
	run: \|
	set CC=clang-cl.exe
	set CXX=clang-cl.exe
	call "%ProgramFiles%\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
	set CMAKE_PREFIX_PATH=%TTK_DIR%\lib\cmake;%PV_DIR%\lib\cmake
	cd %GITHUB_WORKSPACE%\examples\vtk-c++
	mkdir build
	cd build
	cmake -DCMAKE_BUILD_TYPE=Release -GNinja ..
	cmake --build . --config Release --parallel
	ttkExample-vtk-c++.exe -i ..\..\data\inputData.vtu

	- name: Test Python example [TEMPORARILY NOT ENFORCED]
	continue-on-error: true
	shell: cmd
	run: \|
	set PYTHONPATH=%PV_DIR%\bin\Lib\site-packages;%TTK_DIR%\bin\Lib\site-packages;%CONDA_ROOT%\Lib
	cd %GITHUB_WORKSPACE%\examples\python
	python example.py ..\data\inputData.vtu

	- name: Test pvpython example
	shell: cmd
	run: \|
	set PYTHONPATH=%CONDA_ROOT%\Lib
	set PV_PLUGIN_PATH=%TTK_DIR%\bin\plugins
	cd %GITHUB_WORKSPACE%\examples\pvpython
	pvpython.exe example.py ..\data\inputData.vtu

	- name: Test standalone
	shell: cmd
	run: \|
	cd %GITHUB_WORKSPACE%\examples\vtk-c++
	ttkHelloWorldCmd.exe -i %GITHUB_WORKSPACE%\examples\data\inputData.vtu

	- uses: actions/checkout@v3
	with:
	repository: "topology-tool-kit/ttk-data"
	ref: "dev"
	path: "ttk-data"
	name: Checkout ttk-data

	- name: Resample large datasets
	shell: cmd
	run: \|
	set PYTHONPATH=%CONDA_ROOT%\Lib
	set PV_PLUGIN_PATH=%TTK_DIR%\bin\plugins
	cd ttk-data
	pvpython.exe python\resample.py ctBones.vti 128 128 128 ctBones.vti

	- name: Run ttk-data Python scripts
	shell: cmd
	run: \|
	set PYTHONPATH=%PV_DIR%\bin\Lib\site-packages;%TTK_DIR%\bin\Lib\site-packages;%CONDA_ROOT%\Lib;%CONDA_ROOT%\DLLs
	set PV_PLUGIN_PATH=%TTK_DIR%\bin\plugins
	cd ttk-data
	pvpython.exe -u python\run.py

	- name: Test ttk-data Python scripts results [NOT ENFORCED]
	continue-on-error: true
	shell: cmd
	run: \|
	cd ttk-data
	type python\res.json
	FC python\hashes\windows.json python\res.json

	- name: Archive cache
	shell: bash
	run: \|
	sccache -s
	cd /c/Users/runneradmin/AppData/Local/Mozilla/sccache
	tar czf ttk-sccache.tar.gz cache

	- name: Upload sccache archive
	if: ${{ github.repository_owner == 'topology-tool-kit' && contains(github.ref, 'heads') }}
	uses: actions/upload-artifact@v3
	with:
	name: ttk-sccache-windows
	path: C:\Users\runneradmin\AppData\Local\Mozilla\sccache\ttk-sccache.tar.gz
	retention-days: 2


	# ---------------------------------------- #
	# Upload ccache archives as release assets #
	# ---------------------------------------- #
	ccache-release:
	runs-on: ubuntu-latest
	needs: [test-build-ubuntu, test-build-macos, test-build-windows]
	# trigger job only on the "topology-tool-kit" repository in case
	# of a branch push (pull requests and tags not affected)
	if: ${{ github.repository_owner == 'topology-tool-kit' && contains(github.ref, 'heads') }}
	steps:

	- name: Delete previous release
	uses: actions/github-script@v6
	continue-on-error: true
	with:
	script: \|
	const { owner, repo } = context.repo
	const { data: { id } } = await github.rest.repos.getReleaseByTag({
	owner,
	repo,
	tag: "ccache"
	})
	await github.rest.repos.deleteRelease({ owner, repo, release_id: id })

	- name: Create Release
	uses: actions/github-script@v6
	with:
	script: \|
	const { owner, repo } = context.repo
	await github.rest.repos.createRelease({
	owner,
	repo,
	tag_name: "ccache",
	name: "ccache archives",
	body: "Holds ccache archives to speed up build jobs",
	draft: false,
	prerelease: true
	})

	- name: Fetch all uploaded artifacts
	uses: actions/download-artifact@v3

	- name: Upload Ubuntu Focal .deb as Release Asset
	uses: svenstaro/upload-release-action@v2
	with:
	repo_token: ${{ secrets.GITHUB_TOKEN }}
	tag: ccache
	file: ttk-ccache-ubuntu-20.04/ttk-ccache.tar.gz
	asset_name: ttk-ccache-ubuntu-20.04.tar.gz

	- name: Upload Ubuntu Jammy .deb as Release Asset
	uses: svenstaro/upload-release-action@v2
	with:
	repo_token: ${{ secrets.GITHUB_TOKEN }}
	tag: ccache
	file: ttk-ccache-ubuntu-22.04/ttk-ccache.tar.gz
	asset_name: ttk-ccache-ubuntu-22.04.tar.gz

	- name: Upload .pkg as Release Asset
	uses: svenstaro/upload-release-action@v2
	with:
	repo_token: ${{ secrets.GITHUB_TOKEN }}
	tag: ccache
	file: ttk-ccache-macOS/ttk-ccache.tar.gz
	asset_name: ttk-ccache-macOS.tar.gz

	- name: Upload sccache Windows archive
	uses: svenstaro/upload-release-action@v2
	with:
	repo_token: ${{ secrets.GITHUB_TOKEN }}
	tag: ccache
	file: ttk-sccache-windows/ttk-sccache.tar.gz
	asset_name: ttk-sccache-windows.tar.gz

	- name: Delete ccache artifacts
	uses: geekyeggo/delete-artifact@v2
	with:
	name: \|
	ttk-ccache

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VTK-based merge tree backend switch #941

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VTK-based merge tree backend switch #941

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Workflow file for this run